Amplifiers – With semiconductor amplifying device – Including frequency-responsive means in the signal...
Reexamination Certificate
2006-06-06
2006-06-06
Choe, Henry (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including frequency-responsive means in the signal...
C330S305000
Reexamination Certificate
active
07057464
ABSTRACT:
The present invention relates to a lineariser for use with an amplifier. The lineariser comprises an input means and an output means. Input matching means are provided to receive an input signal. A transistor is provided, said transistor being arranged to operate substantially close to a switched on condition. The transistor is arranged to apply a non-linear gain to said input signal. The output means output the non-linear gain signal to said amplifier. The lineariser may be used with a RF power amplifier. The lineariser may be used in elements of a communication system.
REFERENCES:
patent: 5276406 (1994-01-01), Samay et al.
patent: 5982236 (1999-11-01), Ishikawa et al.
patent: 6441689 (2002-08-01), Joseph
patent: 5-315865 (1993-11-01), None
Choe Henry
Lackenbach & Siegel LLP
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